41855199
domain: N
Appears in sequences
- Number of n X n 0..2n-2 arrays with upper left zero and lower right 2n-2 and each element differing from its horizontal and vertical neighbors by one or two.at n=4A265439
- Number of nX5 0..n+5-2 arrays with upper left zero and lower right n+5-2 and each element differing from its horizontal and vertical neighbors by one or two.at n=4A265444
- T(n,k)=Number of nXk 0..n+k-2 arrays with upper left zero and lower right n+k-2 and each element differing from its horizontal and vertical neighbors by one or two.at n=40A265447